The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 08, 1988

Filed:

Mar. 23, 1987
Applicant:
Inventor:

Roger J Kalina, San Diego, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361101 ; 361 93 ; 363 56 ;
Abstract

A logic driver having control circuitry for receiving an input bistate data bit and providing power at an output at first and second predetermined voltage levels when an input bistate data bit is respectively of first and second states. Sensing circuitry is coupled to the control circuitry for detecting the level of current at the output and providing a corresponding current level indication. The driver further includes overcurrent circuitry, responsive to the current level indication, for generating an overcurrent command when the output current exceeds a predetermined level. The control circuitry is responsive to the overcurrent command for disabling the output of power at the corresponding predetermined voltage level at the output.


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